21776330

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53113}}^1$

素因数の和:53161

約数の個数: 16

約数和(自身を含む): 40154184

約数和(自身を除く): 18377854

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 53113, 106226, 265565, 531130, 2177633, 4355266, 10888165, 21776330]

約数ペア:

[(1, 21776330), (2, 10888165), (5, 4355266), (10, 2177633), (41, 531130), (82, 265565), (205, 106226), (410, 53113)]